Antique smock or shift. Could even be a nightgown or under garment for a little girl or doll

I know nothing about this antique garment except it is very old. Therefore, I am just going to give you pertinent information and you can make your own assumptions. My husband purchased this, and other clothing, at an estate sale years ago.

Lace Trim around Arm and Neck Openings One button on Back - Intact and Good Condition